process_payment
AI agents use process_payment to commit financial operations through MCP Solana Internet — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool processes cryptocurrency payments on the Solana blockchain, which directly moves financial value. Even with an empty tool description, the name and server purpose make the financial impact clear. Misuse by an AI agent could result in unauthorized SOL transfers, making this critical severity. Financial category takes precedence over all others per classification rules.
From the tool's definition Tool name 'process_payment' combined with server description stating 'Enables direct SOL payments' and 'Solana blockchain for decentralized' access indicates this tool moves money (SOL tokens). Server context confirms financial transaction capability.
Attacks that exploit this kind of access
process_payment. It is categorised as a Financial tool in the MCP Solana Internet MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the MCP Solana Internet MCP server in PolicyLayer and add a rule for process_payment: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches MCP Solana Internet. Nothing to install.
process_payment is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the process_payment rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for process_payment. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
process_payment is provided by the MCP Solana Internet MCP server (waifuai/mcp-solana-internet). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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